To the extent that women negotiate less due to biology, it's almost definitely not purely down to biology. That means there's likely some kind of societal pres

To the extent that women negotiate less due to biology, it's almost definitely not purely down to biology. That means there's likely some kind of societal pressure keeping them from negotiating as much. There have been plenty of studies that show assertive women are seen as just being bitchy while assertive men are seen as strong leaders. That societal difference is sexism. Individuals don't have to be consciously sexist for implicit bias to affect women.